#define  _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include<ctype.h>
int main()
{
	char str = "Test string\n ";
	char c;
	int i = 0;
	while (str[i])
	{
		
		c = str[i];
		if (islower(c))
			c -= 32;
		putchar(c);
		i++;

	}
	return 0;
}
